Prof. Abdul A Rahman
 
Prof. Abdul A Rahman


Project development

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Project development

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Soak Liquor Treatment

Soak liquor contains wastes which are animal in origin such as from hides skin and plant in orgin such as algal blooms, algal impurity in salt, both such biological impurities are filtered by Artemia. Brine shrimp Artemia often a life line the salt is the major faunal element of hypersaline ecosystems.

The method of soak liquor treatment is designed with filter, grit chamber, soak liquor collection tank, condensers I and II Artemia bio-pond, effluent flow cemented channels secondary collection tank and crystalliser yard. The methodology deals with removal of hairs by filter, dirt dung and soil by grit chamber and effluent is collected in the collection tank below the ground level. It is then pumped into the condensers I and II for building brine concentration upto 100ppt. The brine flows into the Artemia biopond from one end and the effluent is collected the other end of the pond which is provided with appropriate filters to retain nauplii and cysts. The biologically treated soak liquor is allowed to flow in cemented floor channel and collected in the secondary collection tank for further increasing the concentration of brine, which is then sprayed over the cemented crystalliser yard. The removal of suspended solids by Artemia increases the evaporation of soak liquor which facilitated for salt crystallization.

The novelty in the present study is the recovery of organic nutrients waste by Artemia as value added biomass energy. The nutrients in the form of dissolved and suspended forms are recovered from soak liquor. The use of brine shrimp as filter feeder, which can filter solids which are less than 50 micro in size as a secondary stage in the system. When under correct soak liquor effluent management the brine shrimp filters the organic waste particles and utilizes the energy source for its growth and multiplication.




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